Arthropoda and cockroach both possess mosaic vision . it isa type of vision hypothesized for the insect compound eye, in which the image is formed byhundreds of separate ommatidia.
Cockroaches have compound eye which is made up of upto 2000 units of small eyes called as ommatidia. As a result of so many different units cockroach revives saveral images at a time and therefore it creates a mosaic vision which is with less resolution but high sensitivity.